Home / 16,144.35-22,278.34-9,070.31

Finding the Fourth Proportional to 16,144.35, 22,278.34 and 9,070.31

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Solution

The fourth proportional to 16,144.35, 22,278.34 and 9,070.31 is: 12,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,144.35 : 22,278.34 = 9,070.31 : x
  2. Step 2: Convert to fraction form
    16,144.35/22,278.34 = 9,070.31/x
  3. Step 3: Cross multiply
    16,144.35x = 22,278.34 × 9,070.31
  4. Step 4: Simplify right side
    16,144.35x = 202,071,517.12
  5. Step 5: Solve for x
    x = 202,071,517.12/16,144.35
  6. Step 6: Final answer
    x = 12,516.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.